1. Broken bridge aluminum door and window sealing strips: divided into EPDM sealing strips and butyl rubber sealing strips. Both types of sealing strips have their own advantages and disadvantages, so it is impossible to say which one is better. Who is bad. But now most broken bridge aluminum doors and windows use EPDM sealing strips, which are relatively cheaper.
2. Filling material: Most broken bridge aluminum doors and windows are now filled with foaming agents. There are three main types of foaming agents, namely EPDM (ethylene propylene diene monomer), POM (polyvinyl chloride) and PU (polyurethane).
3. The installation process is the most important and the most easily ignored. When installing broken bridge aluminum doors and windows, please note that the sealing strips should not be in direct contact with the profile. It is recommended to use rubber sealing strips. This material has good elasticity, is not easy to age, and has good rain-proof effect.
Francio Doors and Windows
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